Home / 922,789.80-1,384,184.70-904,127.40

Finding the Fourth Proportional to 922,789.80, 1,384,184.70 and 904,127.40

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Solution

The fourth proportional to 922,789.80, 1,384,184.70 and 904,127.40 is: 1,356,191.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,789.80 : 1,384,184.70 = 904,127.40 : x
  2. Step 2: Convert to fraction form
    922,789.80/1,384,184.70 = 904,127.40/x
  3. Step 3: Cross multiply
    922,789.80x = 1,384,184.70 × 904,127.40
  4. Step 4: Simplify right side
    922,789.80x = 1,251,479,313,930.78
  5. Step 5: Solve for x
    x = 1,251,479,313,930.78/922,789.80
  6. Step 6: Final answer
    x = 1,356,191.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.